Home / 674,763.82-931,173.98-368,841.43

Finding the Fourth Proportional to 674,763.82, 931,173.98 and 368,841.43

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Solution

The fourth proportional to 674,763.82, 931,173.98 and 368,841.43 is: 509,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,763.82 : 931,173.98 = 368,841.43 : x
  2. Step 2: Convert to fraction form
    674,763.82/931,173.98 = 368,841.43/x
  3. Step 3: Cross multiply
    674,763.82x = 931,173.98 × 368,841.43
  4. Step 4: Simplify right side
    674,763.82x = 343,455,541,681.75
  5. Step 5: Solve for x
    x = 343,455,541,681.75/674,763.82
  6. Step 6: Final answer
    x = 509,001.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.